Planning 6/6 Analasis 6/8 Implementation 6/8 Evaluation 4/6 NOTE:PICTURES AND DIAGRAMS FROM THE ORIGONAL ESSAY WILL NOT APPEAR SO THERE MAY BE UNXPLAINED GAPS How light intensity affects the rate of photosynthesis. (Measured by the amount of bubbles produced in 2 minuets) Scientific Knowledge and Understanding Canadian pondweed This is the pond weed we will be using. It is North American and widely naturalized in Europe Photosynthesis Photosynthesis - The process by which plants convert water and carbon dioxide …showed first 75 words of 2693 total…

…showed last 75 words of 2693 total…slows as limiting factors occur. I think my results support this conclusion however with a grater range of my independent variable it would have been made clearer. Further work There are other ways I could have done my experiment I could have Measured the volume of carbon dioxide instead of the number of bubbles I could have decreased limiting factors such as temperature to show the graph flattening out. **this essay has recived 24 marks of 30**